Display screen for a portable computing device



FIG. 1 is a front view of a display screen for a portable computingdevice, the broken line drawing of a portable computing device is forillustrative purposes only and forms no part of the claimed invention;and,

FIG. 2 is a front view of a second embodiment of a display screen for aportable computing device, the broken line drawing of a portablecomputing device is for illustrative purposes only and forms no part ofthe claimed invention.

The ornamental design for a display screen for a portable computing device, substantially as shown and described. 